A61M 5/31526
By means of stepwise axial movements
Official title: {by means of stepwise axial movements, e.g. ratchet mechanisms or detents}
A61M5/31526 (By means of stepwise axial movements) appears on 94 US grants and 137 published applications in this corpus.
Search patents in A61M- Granted patents
- 94
- Published applications
- 137
- Assignees
- 63
- Inventors
- 219
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 3 | 4 |
| 2012 | 0 | 2 |
| 2013 | 2 | 7 |
| 2014 | 5 | 8 |
| 2015 | 6 | 12 |
| 2016 | 4 | 11 |
| 2017 | 9 | 10 |
| 2018 | 5 | 3 |
| 2019 | 12 | 5 |
| 2020 | 1 | 19 |
| 2021 | 5 | 16 |
| 2022 | 11 | 11 |
| 2023 | 11 | 3 |
| 2024 | 9 | 9 |
| 2025 | 6 | 4 |
| 2026 | 4 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- System and method for microdose injection2 Jun 2026US 12,642,914 B2Credence Medsystems, Inc.
- Method for determining syringe parameters by a syringe pump, and apparatuses6 Jan 2026US 12,514,976 B2Fresenius Medical Care Deutschland GmbH
- Medicament delivery device6 Jan 2026US 12,514,986 B1Genzyme Corporation
- Exostructure to assist in accurate syringe injection6 Jan 2026US 12,514,988 B2KB Medical SA
- Moving basal engine for a fluid delivery device14 Oct 2025US 12,440,620 B2MannKind Corporation
- Precise dosing syringe assembly1 Oct 2026US 2026/0295170 A1Pacto Medical Inc.
- A drug injection device24 Sep 2026US 2026/0284321 A1
- Hydrogel delivery actuators with dual-axis needle positioning13 Aug 2026US 2026/0232924 A1Boston Scientific Medical Device Limited
- System and method for multiple site injection2 Jul 2026US 2026/0183489 A1Credence Medsystems, Inc.
- Injection dose adjustment assembly, injection mechanism and injection syringe12 Mar 2026US 2026/0069791 A1CC Biotechnology Corporation
Most cited
By later US patents
- Automatic medication injection device with visible indication of injecting progress110US 10,350,362 B2Eli Lilly and Company · 2019
- Pen-type injector60US 7,905,867 B2DCA Design International Limited · 2011
- Drive mechanisms suitable for use in drug delivery devices44US 7,553,299 B2DCA Design International Limited · 2009
- Fluid delivery devices, systems and methods40US 8,551,047 B2Patton Medical Devices, LP · 2013
- Pen-type injector35US 8,021,345 B2DCA Design International Limited · 2011